31820800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:154

約数の個数: 132

約数和(自身を含む): 86809176

約数和(自身を除く): 54988376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 113, 128, 160, 176, 200, 220, 226, 256, 275, 320, 352, 400, 440, 452, 512, 550, 565, 640, 704, 800, 880, 904, 1024, 1100, 1130, 1243, 1280, 1408, 1600, 1760, 1808, 2200, 2260, 2486, 2560, 2816, 2825, 3200, 3520, 3616, 4400, 4520, 4972, 5120, 5632, 5650, 6215, 6400, 7040, 7232, 8800, 9040, 9944, 11264, 11300, 12430, 12800, 14080, 14464, 17600, 18080, 19888, 22600, 24860, 25600, 28160, 28928, 31075, 35200, 36160, 39776, 45200, 49720, 56320, 57856, 62150, 70400, 72320, 79552, 90400, 99440, 115712, 124300, 140800, 144640, 159104, 180800, 198880, 248600, 281600, 289280, 318208, 361600, 397760, 497200, 578560, 636416, 723200, 795520, 994400, 1272832, 1446400, 1591040, 1988800, 2892800, 3182080, 3977600, 6364160, 7955200, 15910400, 31820800]

約数ペア:

[(1, 31820800), (2, 15910400), (4, 7955200), (5, 6364160), (8, 3977600), (10, 3182080), (11, 2892800), (16, 1988800), (20, 1591040), (22, 1446400), (25, 1272832), (32, 994400), (40, 795520), (44, 723200), (50, 636416), (55, 578560), (64, 497200), (80, 397760), (88, 361600), (100, 318208), (110, 289280), (113, 281600), (128, 248600), (160, 198880), (176, 180800), (200, 159104), (220, 144640), (226, 140800), (256, 124300), (275, 115712), (320, 99440), (352, 90400), (400, 79552), (440, 72320), (452, 70400), (512, 62150), (550, 57856), (565, 56320), (640, 49720), (704, 45200), (800, 39776), (880, 36160), (904, 35200), (1024, 31075), (1100, 28928), (1130, 28160), (1243, 25600), (1280, 24860), (1408, 22600), (1600, 19888), (1760, 18080), (1808, 17600), (2200, 14464), (2260, 14080), (2486, 12800), (2560, 12430), (2816, 11300), (2825, 11264), (3200, 9944), (3520, 9040), (3616, 8800), (4400, 7232), (4520, 7040), (4972, 6400), (5120, 6215), (5632, 5650)]